The Korte murphy desk bed turns one room into two! It can be used as a desk during the day, and transforms any room in your home into a guest room at a moment's notice! Features Box steel bed frame The dimension of desk attachment workspace: 8.75"H x 19" D x 61.5"W Dimensions of desk bed closed: 85.26"H x 36.75"D x 64.72"W Dimensions of desk bed open: 85.25"H x 88"D x 64.75"W Real wood and plywood. No particle board, paper, or plastic. Need the weight of a 58-70lb mattress and the desk installed to stay down